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参数资料
| 型号： | DS1818-5/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | IC ECONRST 3.3V W/PB 5% TO92-3 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 系列： | EconoReset |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 100 ms |
| 电压 - 阀值： | 3.06V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 带卷 (TR) |
DS1818
OPERATION - POWER MONITOR
The DS1818 provides the functions of detecting out-of-tolerance power supply conditions and warning a
processor-based system of impending power failures. When V CC is detected as out-of-tolerance, the RST
signal is asserted. On power-up, RST is kept active for approximately 150 ms after the power supply has
reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST
is released.
BLOCK DIAGRAM (OPEN-DRAIN OUTPUT) Figure 1
APPLICATION EXAMPLE Figure 2
OPERATION - PUSHBUTTON RESET
The DS1818 provides a pushbutton switch for manual reset control. When the DS1818 is not in a reset
cycle, a pushbutton reset can be generated by pulling the RST pin low for at least 1 m s. When the
pushbutton is held low, the RST is forced active low and will remain active low for about 150 ms after
the pushbutton is released. See Figure 2 for an application example and Figure 3 for the timing diagram.
TIMING DIAGRAM: PUSHBUTTON RESET Figure 3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1818A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Logic IC |
| DS1818B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Logic IC |
| DS1818C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Logic IC |
| DS1818D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Logic IC |
| DS1818R10 | 制造商:DALLAS 功能描述:* |
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